420532583 has 2 divisors, whose sum is σ = 420532584. Its totient is φ = 420532582.

The previous prime is 420532559. The next prime is 420532627. The reversal of 420532583 is 385235024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420532583 - 2⁸ = 420532327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420532513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210266291 + 210266292.

It is an arithmetic number, because the mean of its divisors is an integer number (210266292).

Almost surely, 2^420532583 is an apocalyptic number.

420532583 is a deficient number, since it is larger than the sum of its proper divisors (1).

420532583 is an equidigital number, since it uses as much as digits as its factorization.

420532583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 420532583 is about 20506.8911100635. The cubic root of 420532583 is about 749.2036483610.

The spelling of 420532583 in words is "four hundred twenty million, five hundred thirty-two thousand, five hundred eighty-three".